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2039490 = 2325173143
BaseRepresentation
bin111110001111011000010
310211121122200
413301323002
51010230430
6111414030
723223015
oct7617302
93747580
102039490
111173332
12824316
135653cb
143b137c
152a4460
hex1f1ec2

2039490 has 96 divisors (see below), whose sum is σ = 5930496. Its totient is φ = 483840.

The previous prime is 2039467. The next prime is 2039491. The reversal of 2039490 is 949302.

It is not an unprimeable number, because it can be changed into a prime (2039491) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 47409 + ... + 47451.

It is an arithmetic number, because the mean of its divisors is an integer number (61776).

22039490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2039490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2965248).

2039490 is an abundant number, since it is smaller than the sum of its proper divisors (3891006).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2039490 is a wasteful number, since it uses less digits than its factorization.

2039490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 2039490 is about 1428.1071388380. The cubic root of 2039490 is about 126.8159443507.

The spelling of 2039490 in words is "two million, thirty-nine thousand, four hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 17 18 30 31 34 43 45 51 62 85 86 90 93 102 129 153 155 170 186 215 255 258 279 306 310 387 430 465 510 527 558 645 731 765 774 930 1054 1290 1333 1395 1462 1530 1581 1935 2193 2635 2666 2790 3162 3655 3870 3999 4386 4743 5270 6579 6665 7310 7905 7998 9486 10965 11997 13158 13330 15810 19995 21930 22661 23715 23994 32895 39990 45322 47430 59985 65790 67983 113305 119970 135966 203949 226610 339915 407898 679830 1019745 2039490